National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Tri-Cities Airport (KPSC)

Lat: 46.26955°NLon: 119.11813°WElev: 397.0ft.

Clear

80°F

27°C

Humidity 40%
Wind Speed NNE 6 MPH
Barometer 29.79 in (1008.81 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 24 Jun 08:53 PM PDT
Extended Forecast for

Prosser WA

Red Flag Warning June 25, 12:00pm until June 25, 09:00pm
Click here for hazard details and duration
Red Flag Warning

  • Tonight

    Tonight: Partly cloudy, with a low around 59. West wind 5 to 8 mph.

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 87. Southwest wind 5 to 14 mph, with gusts as high as 23 mph.

    High: 87 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 2am. Cloudy, with a low around 54. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 54 °F

    Cloudy then
    Slight Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 78. Southwest wind 8 to 14 mph, with gusts as high as 23 mph.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 48. West wind 11 to 15 mph, with gusts as high as 25 mph.

    Low: 48 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 59. West wind 5 to 8 mph.
Thursday
Mostly cloudy, with a high near 87. Southwest wind 5 to 14 mph, with gusts as high as 23 mph.
Thursday Night
A 20 percent chance of showers after 2am. Cloudy, with a low around 54. West wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 78. Southwest wind 8 to 14 mph, with gusts as high as 23 mph.
Friday Night
Mostly cloudy, with a low around 48. West wind 11 to 15 mph, with gusts as high as 25 mph.
Saturday
Partly sunny, with a high near 73.
Saturday Night
Mostly cloudy, with a low around 47.
Sunday
Partly sunny, with a high near 76.
Sunday Night
Mostly cloudy, with a low around 48.
Monday
Mostly sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 82.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Prosser WA
 46.21°N 119.75°W (Elev. 741 ft)
Last Update:
3:01 pm PDT Jun 24, 2026
Forecast Valid:
9pm PDT Jun 24, 2026-6pm PDT Jul 1, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation